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Dyfyniad Arddull ChicagoKirk, Jerome, and Marc L. Miller. Reliability and Validity in Qualitative Research. Beverly Hills ; Newbury Park ; New Delhi: Sage Publications, 1986.
Dyfyniad MLAKirk, Jerome, and Marc L. Miller. Reliability and Validity in Qualitative Research. Sage Publications, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.